Question

60 men working 8 hours a day can build a shed in 30 days , in how many days can 120 men working for 6 hours a day do the same work ?

Answer 1

(M1*D1*H1/W1)=(M2*D2*H2/W2)

60*30*8/1=120*6*x/1

from this we get x=20 days i.e.,120 men working for 6 hours a day do the same work in 20 days

Answer 2

60 men , for 8 hour built in = 30 days
1 man. ,for built in. = 60 ×8×30 days
120 men,for 6 hours built in = (60× 30×8.) / ).
( 120×6)
=14400 /720
= 20.
Jai hind